TY  - RPRT
TI  - Mortality among bobwhites confined to a heptachlor contaminated environment
AU  - J.F. Kreitzer
AU  - J. W. Spann
PY  - 1968
DO  - 10.2307/3799564
UR  - https://pubs.usgs.gov/publication/5221270
ID  - 5221270
ER  -